Giovanni, This problem is typically caused when LISTSERV dosn't know the userid of the RSCS virtual machine. Look for an entry in LOCAL SYSVARS of the form: rscs = '...' (where ... is the userid) -or- rscs is standard value (same as rscs = 'RSCS') Did you change the name of your RSCS at the same time? Write if you need more help. Ross Patterson Rutgers University LISTSERV USA-Northeast coordinator